Question

If u+v=80, u:v=5:3 then u-v=​

Answer 1

Answer:

u= 5/8 *80

=50

v= 3/8 *80

=30

u:v= 50:30

u-v= 50-30

u-v=20

Answer 2

the answer is in the above picture

hope this helps you

thank you